The mixed number 21 18/32 written as an improper fraction is 690/32
To turn the mixed number 21 18/32 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 32 = 672.
After that, add the result to the numerator of the fractional part: 672 + 18 = 690.
Next, Write the sum of the previous step on the original denominator: 690/32.
This means that 21 18/32, as an improper fraction, equals 690/32.
See also: 21 18/32 as a decimal